Home / 12,300,973.60-18,451,460.40-6,561,410.80

Finding the Fourth Proportional to 12,300,973.60, 18,451,460.40 and 6,561,410.80

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Solution

The fourth proportional to 12,300,973.60, 18,451,460.40 and 6,561,410.80 is: 9,842,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,973.60 : 18,451,460.40 = 6,561,410.80 : x
  2. Step 2: Convert to fraction form
    12,300,973.60/18,451,460.40 = 6,561,410.80/x
  3. Step 3: Cross multiply
    12,300,973.60x = 18,451,460.40 × 6,561,410.80
  4. Step 4: Simplify right side
    12,300,973.60x = 121,067,611,544,332.31
  5. Step 5: Solve for x
    x = 121,067,611,544,332.31/12,300,973.60
  6. Step 6: Final answer
    x = 9,842,116.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.